Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ea8c33ff93d112b…

MALICIOUS

PDF

81.1 KB Created: 2021-05-13 10:45:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 7a3f63ec4839f0af4c5a837e83316abd SHA-1: 71c6ec356e76230e12aa9e402952f36c37b2101b SHA-256: 2ea8c33ff93d112bf66b04fbad42234128c6b11a3e5a49f94e6963c2466f9f8d
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, appears to be a lure related to Google Maps search results, suggesting a social engineering tactic to drive users to the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://golowaki.ru/strik?utm_term=can+you+get+an+aerial+view+on+google+maps PDF link annotation
    • http://kalanuso.iblogger.org/altruism_psychology.pdfIn PDF document text
    • http://xelowonol.scienceontheweb.net/canadian_citizenship_test_2020.pdfIn PDF document text
    • http://zevixoleg.iblogger.org/berudamozim.pdfIn PDF document text
    • http://creamwalls.online/corporate_communication_a_guide_to_theory_and_practice_5th_edition_free37lcs.pdfIn PDF document text
    • http://votinegabes.iblogger.org/dclaration_accident_de_travail_employeur.pdfIn PDF document text
    • http://dokozem.iblogger.org/books_on_leadership_and_management_in_nursing.pdfIn PDF document text
    • http://rat-red.space/application_display_template_liferay6skoo.pdfIn PDF document text
    • http://giwitap.getenjoyment.net/25168294927.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/bogeguva/nekuwomaruzomunataduveses.pdfIn PDF document text
    • https://s3.amazonaws.com/woxewiwupir/inflected_endings_worksheets_2nd_grade.pdfIn PDF document text
    • https://d8ec88ce-93b1-4b83-b294-7016fd5b5063.filesusr.com/ugd/366252_4e6017779a0b4817a47314175a382eeb.pdf?index=trueIn PDF document text
    • https://3e80c8bf-0031-4ca1-bfa9-4484641fefed.filesusr.com/ugd/08103e_3073d06250424bdea7cc1964795ee844.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/mubefula/86318179600.pdfIn PDF document text
    • http://pitepune.epizy.com/mathworksheets4kids_identifying_inequalities_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/lulelepese/features_of_technical_report_writing.pdfIn PDF document text
    • https://s3.amazonaws.com/fadedosi/47108759624.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/307736a4-3695-4e33-9feb-f3e38e0c9017/gipozom.pdfIn PDF document text
    • https://64e18f06-8a0e-4dc1-8427-9dd81b4bff36.filesusr.com/ugd/baa514_867e0e9c3fab41dfbb149c545eca4866.pdf?index=trueIn PDF document text
    • https://6ba8113a-99dc-4618-97bf-d7180f10ff72.filesusr.com/ugd/b6edda_9b747bac5da546b1abb394947426a50f.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/5b79530c-9bf3-4229-aa95-11a413825733/bexepalukotulow.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ff10.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF10 5296 bytes
SHA-256: 2f5fe47c9962594dd611fe718cf0f979271613aab10d5ebef272e7d42d3ee958
font_01_sfnt_off0001111b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1111B 11240 bytes
SHA-256: c5e70155c753421964158565a09d7e7c03b9a2213714fd3eb2b6078fc3928a35

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